COMPOSICIONES QUE COMPRENDEN 3,3,4,4,5,5,6,6,6-NONAFLUORO-1-HEXENO

Composiciones de 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexeno para usar en sistemas de refrigeracion y aire acondicionado, particularmente en sistemas de compresion centrífuga. Combinaciones de 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexeno con al menos un bromofluorocarburo, cetonas, alcoholes, clorocarburos, éteres, ésteres, 4-cloro-1,1,2,3,3,4-hexafluorobuteno, N-(difluorometil)-N,N-dimetilamina, o mezclas de los mismos que son azeotropicos o casi azeotropicos. Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with at least one bromofluorocarbon, ketones, alcohols, chlorocarbons, ethers, esters, 4-chloro-1,1,2,3,3,4-hexafluorobutene, N-(difluoromethyl)-N,N-dimethylamine, or mixtures thereof, which are azeotropic or near azeotropic.